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OWNER’S MANUAL
STEALTH
SPLIT-SYSTEM
AIR CONDITIONING
16 SEER 2 TO 5 TONS
TABLE OF CONTENTS
THERMOSTATS . . . . . . . . . . . . . . . . . 2
YOUR KEY TO COMFORT . . . . . . . . . . . 2
COOLING ONLY . . . . . . . . . . . . . . . . . . . . 2
COOLING AND HEATING . . . . . . . . . . . . 2
MANUAL CHANGE-OVER . . . . . . . . . . . . 2
PROGRAMMABLE ELECTRONIC
THERMOSTATS . . . . . . . . . . . . . . . . . 2
FAN OPERATION SELECTION . . . . . . . . 2
START-UP . . . . . . . . . . . . . . . . . . . . . . 3
POWER FAILURE . . . . . . . . . . . . . . . . . . 3
SYSTEM OPERATION . . . . . . . . . . . . 3
MANUAL CHANGE-OVER
THERMOSTAT . . . . . . . . . . . . . . . . . . . . . 3
ELECTRONIC THERMOSTAT . . . . . . . . . 3
MODELS:
H4TS024
H4TS030
H4TS036
H4TS048
H4TS060
CARE OF SYSTEM . . . . . . . . . . . . . . . 3
COIL CARE . . . . . . . . . . . . . . . . . . . . . . . . 3
CARE OF FAN MOTORS . . . . . . . . . . . . . 3
SERVICE CALLS . . . . . . . . . . . . . . . . . . . 4
FILTER CARE . . . . . . . . . . . . . . . . . . . . . . 4
CLEARANCES . . . . . . . . . . . . . . . . . . . . . 4
PARTS INFORMATION . . . . . . . . . . . . . . 4
COMFORT ASSURANCE . . . . . . . . . . . . 4
SOME EFFICIENCY DO’S & DON’TS 4
035-14510-001 Rev. A (0602)
035-14510-001 Rev. A (0602)
C
ongratulations . . .
On your purchase of one of the most versatile air conditioning systems available in the industry today. This Stealth series high
efficiency system has been precision designed, manufactured of high quality materials and has passed many vigorous inspections and tests to ensure years of satisfactory service.
This booklet is meant to increase your understanding of your system, tell you how to operate it efficiently and how to obtain
the greatest measure of comfort at the lowest operating expense. Please read this booklet thoroughly.
We appreciate your interest in our product and your decision to purchase our system. Enjoy your comfort.
THERMOSTATS
YOUR KEY TO COMFORT
Though thermostats may vary widely in
appearance they are all designed to
perform the same basic function, to
control the operation of your air conditioning system. Regardless of size or
shape, each thermostat will feature a
temperature indicator; a dial, arm or
push button for selection of the desired
temperature; a fan switch to choose
the indoor fan operation; and a comfort
switch for you to select the system
mode of operation.
Your new Stealth unit will require a
two-stage thermostat for optimum efficiency and energy savings. York has
tested and certified the Honeywell®
T8624D as the best model for your
new comfort system. Please be aware
that many different thermostats operate on batteries or “power stealing”
principals. York can not support such
models to be trouble free when used
with the Stealth series units.
The following illustrations and discussion will aid you to determine which
type of thermostat you have for your
system.
A complete operating instruction is provided by the manufacturer for each
thermostat. Familiarize yourself with its
proper operation to obtain the maxium
comfort with a minimum of energy consumption.
NOTE: If you have an independent
heating system (with a separate thermostat), always be sure the heating
control is turned “Off” before turning on
the cooling system.
COOLING AND HEATING
If your system has been designed to
allow both cooling and heating operation, you may have either a manual
changeover type, or a programmable
electronic type thermostat with 2stages of cooling and 2-stages of heat.
MANUAL CHANGEOVER
Manual changeover simply means that
the comfort switch must be manually
positioned every time you wish to
switch from the cooling to heating or
heating to cooling modes of operation.
PROGRAMMABLE
ELECTRONIC
THERMOSTATS
The computerized electronic thermostat is actually a sophisticated electronic version of a manual changeover
type. This thermostat includes features which allow “set-back” temperature variations for periods of sleep, or
while you are away during the day, and
means energy savings for you. The
thermostat also features a digital clock.
COOLING ONLY
If your air conditioning system is
designed to provide only cooling, with
no capability for heating operation, a
two-stage cooling only thermostat, with
a manual, two-position “Cool” and “Off”
comfort switch is all that is required for
system operation.
2
FAN OPERATION SELECTION
A multi-position fan switch allows you
to choose the type of fan operation of
the indoor fan.
AUTO
With the thermostat fan switch set to
“AUTO”, the fan will run intermittently
as required for either heating or cooling. This position will provide the lowest operating cost. If you purchased
one of the York thermostats, they have
an intelligent fan mode which continually circulates the air during occupied
modes or when you are at home and
can cycle the fan during unoccupied
mode or during the night while you
sleep to further conserve energy.
ON
CONTINUOUS FAN OPERATION:
With the thermostat fan switch set to
“ON”, the indoor fan will not shut off.
However, the cooling and heating systems will still operate as required by
room temperatures. This provides continuous air filtering and more even temperature distribution to all conditioned
spaces.
FAN ONLY OPERATION: On moderate days, usually during spring and fall,
when neither heating nor cooling is
required, you may want to run only the
fan to ventilate, circulate and filter the
air in your home or building. Set the
comfort control switch to “OFF” and the
fan switch to “ON”. Be sure to return
the switches to their original positions
for normal operation.
FIGURE 1:Programmable Electronic
Thermostat
Unitary Products Group
035-14510-001 Rev. A (0602)
START-UP
SYSTEM OPERATION
1.
Once the desired temperature is
selected on the thermostat, the
unit will delay its start up for five
seconds to prevent unnecessary
opertion of the unit as a result of
thermostat “jiggling”.
2.
When the system switches from
first to second stage operation,
there will be a five second delay
during transition.
MANUAL CHANGEOVER
THERMOSTAT
Do not operate this unit when
outdoor temperatures are
below 60°F as this will cause
damage to the unit.
The comfort control switch is assumed
to be in the “OFF” position. If the main
power supply to the outdoor and indoor
units is off, turn the appropriate disconnects to the “ON” position. Place the
system into operation as follows:
1.
Set temperature adjustment to the
desired temperature on your thermostat.
COOLING - The higher the setting, the
lower the amount of energy consumed.
The National Bureau of Standards reccommends a setting of 78 °F.
HEATING - The lower the setting, the
lower the amount of energy consumed.
Federal guidelines recommend a setting of 65 °F or lower.
NOTE: If your cooling and heating
temperature adjustments are separate, be sure to set both.
2.
After considering “Fan Operation
Selection” above, select and set
the fan operation mode you desire.
3.
Move the comfort control switch to
the desired mode of operation
(Cooling or Heating) found on your
particular thermostat.
POWER FAILURE
When accidents, wind storms, etc. disrupt electrical power supply to your
house, switch thermostat to “OFF” position. CAUTION: If the power was off
more than 8 hours DO NOT switch to
“COOLING” or “AUTO” until electrical
power has been re-established for 8
hours. NOTE: Your Stealth high efficiency air conditioning system has
many built-in features to protect the unit:
1.
After a power interruption or thermostat off cycle the system will
delay its start-up for five minutes to
prevent the unit from short cycling.
2.
Anytime the power “dips” or is
lower than normal, the Comfort
Enhancer Control™ will prevent
the unit from operating to prevent
possible damage.
Unitary Products Group
COOLING YOUR HOME - With the
comfort control switch in the “COOL”
position, the system will operate as follows: When the indoor temperature
rises above the level indicated by the
temperature adjustment setting, the
system will start. The outdoor unit will
operate and the indoor fan will circulate the cooled, filtered air. When the
room temperature is lowered to the
setting selected, the system will shut
off.
HEATING YOUR HOME - If your system includes a heating unit and the
comfort control switch is in the “HEAT”
position, the system will operate as follows: When the indoor temperature
drops below the level indicated by the
temperature adjustment setting, the
system will start. The heating system
will operate and the indoor fan will circulate the filtered air. When the room
temperature rises to the setting
selected, the system will shut off.
Whether heating or cooling, the fan will
continue to operate if the fan switch
was set in the “ON or Intelligent” position. The “AUTO” setting on the fan
switch will allow the fan to shut off
when your system does.
ELECTRONIC THERMOSTAT
The computerized electronic thermostat, when programmed, will function
automatically to operate the system as
follows: When the indoor temperature
rises above the higher (COOL) setting, the outdoor unit will operate and
the indoor fan will circulate the cooled,
filtered air. When the room temperature is lowered to the selected level,
the system will shut off. The indoor fan
will either shut off or run continuously,
depending upon your choice of fan
switch setting. When the indoor temperature is lowered to the selected
level, the system will shut off. The
indoor fan will either shut off or run
continuously, depending upon your
choice of fan switch setting. When the
indoor temperature drops below the
lower (HEAT) setting, the heating system will operate, and the indoor fan will
circulate the heated, filtered air. When
the indoor temperature rises to the
selected setting, the system will shut
off.
CARE OF SYSTEM
YORK strongly recommends regular
periodic preventative maintenance on
this equipment. The person most familiar with the equipment in your HVAC
system is a YORK dealer. The YORK
dealer can ensure your maintenance
program meets the conditions of the
“YORK Warranty”, maximize the efficiency of the equipment, and service
your unit within the federally mandated guidelines with regard to unlawful discharge of refrigerants into the
atmosphere.
COIL CARE
Keep the outdoor unit free of foliage,
grass clippings, leaves, paper, and any
other material which could restrict the
proper air flow in and out of the unit.
The coil may be vacuumed to remove
any debris from between the fins. If the
coil becomes excessively dirty, turn the
main disconnect switch to “Off” and
wash the coil with your garden hose.
Avoid getting water into the fan motor
and control box. Flush dirt from base
pan after cleaning the coil.
CARE OF FAN MOTORS
Some fan motors are provided with
lubrication ports. Inspect your indoor
and outdoor units to determine whether
or not lubrication ports are provided.
The fan motor is shipped with an oil supply which will last for several years
under normal operating conditions.
After this time, each motor bearing
should be oiled with 10 - 15 drops
(approximately 1/4 teaspoon) of SAE 20
non-detergent electric motor oil or automobile oil. DO NOT use definite purpose oils such as sewing machine,
cleaning, rust preventative, cutting,
household, etc.
3
SERVICE CALLS
PARTS INFORMATION
There are a few instances where the
user can avoid unnecessary service
calls. If unit stops functioning properly
check the following items before calling
your YORK servicing dealer:
Replacement parts are available from
local YORK contractor/dealer or the
nearest YORK distribution center.
1.
Indoor section for dirty filter.
COMFORT ASSURANCE
Special warranty packages (called
Comfort Assurance) are available
through your contractor. These packages reduce the potential cost of service calls following the first year of
operation on your cooling (or heating/
cooling) system.
SOME EFFICIENCY DO’S &
DON’TS
2.
Outdoor section for leaf or debris
blockage. Eliminate problem, turn
off the thermostat for 10 seconds
and attempt start. Wait 5 minutes.
If system does not start, call your
YORK servicing dealer.
FILTER CARE
Inspect the air filter(s) at least once a
month. If they are dirty, wash reusable
filters with a mild detergent per manufacturer’s recommendations. Replace
disposable filters with new filters. Install
the clean filters with “air flow” arrow in
the same direction as the air flow in your
duct. Filters should be clean to assure
maximum efficiency and adequate air
circulation.
CLEARANCES
The minimum clearances shown below
must be maintained should any patio or
yard improvements be done around the
outdoor unit.
TOP 48"
SIDES 12"
REAR 12"
FRONT * 24"
DON’T heat or cool unused household
area. Reduce supply and return air flow
to a minimum in areas which are not living spaces (storage rooms, garages,
basements, etc).
DON’T be a “thermostat jiggler”. Moving
your thermostat setting will not make
your system heat or cool any faster.
Adjust your thermostat to a comfortable
setting and leave it there.
DON’T restrict air circulation. Placing
furniture, rugs, etc. in such a way that
they interfere with air vents will make
you system work harder to achieve a
comfortable temperature level. This
requires more energy, which means
greater cost to you.
DON’T locate lamps or other heat-producing appliances (radios, TV’s, heaters, etc.) near your thermostat. The
heat from these items will give your
thermostat “false information” about the
temperature in the room.
DO select a comfortable thermostat setting, but keep in mind that moderation in
temperature selection will save energy.
DO turn on your kitchen exhaust fan
when cooking and your bathroom exhaust fan when showering. Also, make
sure your clothes dryer is properly
vented. If these items are neglected, an
excess heat and humidity condition may
be created, causing your air conditioning system to run longer.
DO set your thermostat a few degrees
lower than normal several hours before
entertaining a large group of people in a
relatively small area. People give off a
considerable amount of heat and moisture in a closed area.
DO keep drapes and venetian blinds
closed when practical. These items provide insulation against heat loss/gain.
DO contact a qualified service person to
make repairs or adjustments to your
system. He has been trained to perform
this service.
DON’T heat or cool when you are away.
If you are going to be away for a day or
more, re-adjust your thermostat accordingly. Your furniture is far less demanding than you are when it comes to
comfort levels. However, don’t expect
the system to restore comfort conditions
immediately upon returning home. It will
take a little time.
* Service Access Panel
Subject to change without notice. Printed in U.S.A.
Copyright © by York International Corp. 2002. All rights reserved.
Unitary
Products
Group
035-14510-001 Rev. A (0602)
Supersedes: 550.37-O4Y, 035-14510-000 Rev. A (699)
5005
York
Drive
Norman
OK
73069